Basalt

126482

Porphyritic basalt

Famous Area

(Pl > Cpx > Ol)

ppl 1 mm

xpl 1 mm

Spherulitic groundmass

ppl 2 mm

xpl 2 mm

xpl 1 mm

ppl 0.3 mm

Swallowtail Pl

xpl 0.3 mm

ppl 1 mm

xpl 1 mm

xpl 0.3 mm

54204

Basalt

With interstitial quenched emulsion

ppl 1 mm

xpl 1 mm

65300

Basalt

With interstitial quenched emulsion

ppl 1 mm

xpl 1 mm

ppl 1 mm

xpl 1 mm

ppl 8 mm

ppl 2 mm

xpl 2 mm

Simple twin

ppl 1 mm

xpl 1 mm

ppl 0.5 mm

xpl 0.5 mm

30076

Basalt

With interstitial quenched emulsion

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

ppl 1 mm

xpl 1 mm

ppl 0.5 mm

xpl 0.5 mm

126478

Porphyritic basalt

Famous Area, Mid-Atlantic Ridge

ppl 2 mm

xpl 2 mm

ppl 2 mm

Swallowtail Pl

xpl 2 mm

Zoning

K96-021

Glass-bearing Amp nodule in alkali basalt

Kula, Turkey

ppl 2 mm

Concentric zoning in Amp

xpl 2 mm